//初始化分页
function initPageSelector(){
    activePageButton();
    initSelectPage();
}
function activePageButton(){
    $(".li_btn").click(function(){
        $(".li_btn").css("background-color","#fff");
        $(".li_btn").css("color","#858585");
        $(this).css("background-color","#00bcd4");
        $(this).css("color","#fff");
    });
}
/*
 * 上一页 下一页事件监听
 */
function initSelectPage(){
    $(".li_next").click(function(){
        document.getElementById("div_li_btn_mid").scrollLeft+=40;
    });
    $(".li_prew").click(function(){
        document.getElementById("div_li_btn_mid").scrollLeft-=40;
    });
}
